


American Underdog Wasp Fights for Foothold on Exotic Hosts
When a foreign parasitoid wasp was introduced to North America to control invasive pea aphids, it outcompeted most native wasps, except for one: Praon pequodorum. Its secret weapon: a resistance to pea aphids' natural defenses.

Bacteria Can Aid Aphids Against Predation and Parasitism
By Meredith Swett Walker Aphids are among the most destructive plant pests. The small, sap-sucking insects are the bane of many a farmer and gardener. Typically soft bodied and without […]